Epithelium

Epithelium

origins
1. Ectoderm
  1. skin
2. Mesoderm
  1. blood vessel
  2. lymphatic duct
  3. closed body cavities
  4. urogenital system
3. Endoderm
  1. digestive tract
  2. respiratory tract
SHAPE
1. squamous
2. cuboidal
3. columnar
จำนวนชั้นของcell
1. Simple Epithelium
  1. simple squamous
    1. endo:เยื่อบุหลอดเลือด
    2. meso:เยื่อบุอวัยวะ
      1. ปอด
      2. หัวใจ
      3. ลำไส้
    3. mesenchymal:cornea
  2. simple cuboidal
    1. ท่อของต่อมต่างๆ
    2. secretory unit
      1. pyramidal epithelium
        mucous gland
        serous gland
        mixed (seromucous) gland
        serous demilunes
    3. คลุม choroid plexius&ciliary body
  3. simple columnar
    1. Modification
      1. Goblet cell
      2. Surface
        Microvilli
        Cilia
        Stereocilia (epididymis)
      3. Lateral
        Junction complex (terminal bar)
        desmosome
  4. Pseudostratified columnar
    1. Respiratory tract
    2. Genital system
2. Stratified Epithelium
  1. Squamous
    1. Keratinized
    2. Nonkeratinized
    3. Cornified
    4. ชั้นต่างๆ
      1. Stratum Germinativim
        1)Stratum Basale
        2)Stratum spinosum
      2. 3)Stratum Granulosum
      3. 4)Stratum Lucidum
      4. 5)Stratum Corneum
  2. Cuboidal
    1. Excretory duct
  3. Columnar
    1. parotid duct
    2. Mandibular duct
    3. Lacrimal sac&duct
  4. Transitional
    1. Urinary system
Serous Membrane
Mucous Membrane
Gland
1. Unicellular
  1. Goblet cell
2. Multicellular
  1. Intraepithelial
  2. Extraepithelial
  3. Endocrine
  4. Exocrine
3. Simple Gland
  1. Tubular
    1. Straight
    2. Coiled
    3. Branched
  2. Acinar
4. Compound Gland
  1. Tubular
  2. Acinar
  3. Tubuloacinar
Mode of Secretion
1. Merocrine
2. Apocrine
3. Holocrine
4. cytocrine
Myoepithelial cell
1. Sweat gland
2. Mamary Gland

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